Respuesta :

Answer: 39.063

This is because the 5 in the thousandths place rounds up, making the 2 in the hundredths place a 3. 
6.25 feet * 6.25 feet = 39.0625 square feet.
6.25 has three significant digits.


Rounding 39.0625 to three significant digits is 39.1 square feet.